Issued Patents All Time
Showing 1–25 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7091280 | Stabilized aqueous polyurethane-polyurea dispersions | Thorsten Rische, Karin Naujoks, Jurgen Meixner, Thomas Feller | 2006-08-15 |
| 6919417 | One-component polyurethane stoving coating compositions and their use | Christoph Gürtler, Frank Kobor, Wolfram Küttner | 2005-07-19 |
| 6723817 | Polyisocyanates blocked with epsilon-caprolactam and either diisopropylamine or 1,2,4-triazole, their preparation and use | Beate Baumbach, Christian Fussel | 2004-04-20 |
| 6716910 | Aqueous and/or water-dilutable polyisocyanate crosslinkers blocked with diisopropylamine | Jan Mazanek, Heino Muller, Joachim Petzoldt | 2004-04-06 |
| 6713556 | Dimethylpyrazole-blocked isocyanate mixtures | Reinhard Halpaap, Thomas Klimmasch, Hans-Ulrich Meier-Westhues, Harald Mertes, Joachim Schüll +1 more | 2004-03-30 |
| 6586523 | Self-crosslinking polyurethane, polyurethane polyurea or polyurea dispersions for sizing agents | Harald Blum, Karin Naujoks | 2003-07-01 |
| 6583216 | Malonic ester-blocked HDI trimer with IPDA stabilization and formaldehyde stabilization | Claus Kobusch, Uwe Klippert, Wolfram Küttner | 2003-06-24 |
| 6559264 | Malonic acid ester/triazole mixed blocked HDI trimer/formaldehyde stabilization | Hans-Ulrich Meier-Westhues, Thomas Klimmasch | 2003-05-06 |
| 6451963 | Method of coagulating aqueous PUR dispersions containing dispersed therein reactive or secondary cross-linked polyurethane, the products obtained thereby and their use | Rolf Langel, Detlef-Ingo Schutze, Werner Balz | 2002-09-17 |
| 6242530 | Stabilized blocked isocyanates and their use in polyurethane stoving lacquers | Karl-Ludwig Noble, Theodor Engbert | 2001-06-05 |
| 6187860 | Aqueous polyisocyanate crosslinking agents modified with hydroxycarboxylic acids and pyrazole-based blocking agents | Heino Muller, Harald Blum, Joachim Petzoldt | 2001-02-13 |
| 6060573 | Polyisocyanates blocked with CH-acidic esters and stabilized against thermal yellowing | Claus Kobusch, Wolfram Küttner | 2000-05-09 |
| 6005046 | Polyisocyanates blocked with 3,5-dimethyl-1,2,4-triazole | Gerald Kurek, Klaus Nachtkamp, Theodor Engbert | 1999-12-21 |
| 5961878 | Amine-blocked polyisocyanates and their use in one-component stoving compositions | Karl-Ludwig Noble, Christian Fussel | 1999-10-05 |
| 5889106 | Polyisocyanates blocked with 3,5-dimethyl-1,2,4-triazole | Gerald Kurek, Klaus Nachtkamp, Theodor Engbert | 1999-03-30 |
| 5852106 | Coating compositions for glass substrates | Oswald Wilmes, Beate Baumbach, Klaus Nachtkamp, Randall Dearth, Manfred Bock +1 more | 1998-12-22 |
| 5744633 | Process for the production of diurethanes and their use for the production of diisocyanates | Oswald Wilmes, Klaus Nachtkamp, Ernst Kysela | 1998-04-28 |
| 5738912 | Dispersion of post-curable coating compounds | Detlef-Ingo Schutze, Josef Pedain | 1998-04-14 |
| 5723536 | Aqueous or water-dilutable blocked polyisocyanates and their use for preparing polyurethane clearcoats having substantially reduced thermal yellowing | Beate Baumbach, Lothar Kahl, Nusret Yuva | 1998-03-03 |
| 5691438 | Blocked polyisocyanates and their use in stoving lacquers | Theodor Engbert | 1997-11-25 |
| 5672229 | Solvent-free two-component polyurethane reactive adhesives and their use for producing sandwich-type interior panelling for vehicles | Uwe F. Gronemeier, Dirk Wegener | 1997-09-30 |
| 5532313 | Heat curable coating compositions and their use as top coats | Theodor Engbert, Josef Pedain | 1996-07-02 |
| 5523377 | Blocked polyisocyanates | Theodor Engbert, Thomas Klimmasch, Manfred Bock | 1996-06-04 |
| 5510432 | Mixed blocked isocyanate prepolymers, a process for their production and their use for the production of flexible epoxy resin systems | Lutz Schmalstieg, Rainer Rettig | 1996-04-23 |
| 5422413 | Thermosetting coating composition and its use for primer coatings on metal substrates | Friedrich P. A. Schrader, Lilli M. Schrader nee Guse, Elke Luckgen nee Schrader, Stefan Schrader, Hans-Heribert Burgdorfer | 1995-06-06 |